Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / Basic Operations / Steering wheel audio switches
Toyota Corolla (E170): Steering wheel audio switches
Some audio features can be controlled using the switches on the steering wheel.
Operation may differ depending on the type of audio system or navigation system. For details, refer to the manual provided with the audio system or navigation system.
Operating the audio system using the steering wheel switches
1 Volume switch:
• Press: Increases/decreases volume
• Press and hold: Continuously increases/decreases volume
2 Radio mode:
• Press: Selects a radio station
• Press and hold: Seeks up/ down CD, MP3/WMA disc, Bluetooth®, iPod or USB mode:
• Press: Selects a track/file/song • Press and hold: Selects a folder or album (MP3/WMA disc, Bluetooth®, iPod or USB)
3 “MODE” switch:
• Press: Turns the power on, selects an audio source
• Press and hold: Mutes or pauses the current operation.
To cancel the mute or pause, press and hold again.
CAUTION
■To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel.
Other materials:
On–vehicle inspection
1. Connect hand–held tester:
connect the hand–held tester to the dlc3.
start the engine and run it at idle.
select the active test mode on the hand–held tester.
Hint:
please refer to the hand–held tester operator’s manual for further details.
2. Inspect actua ...
Sound quality is bad in all modes (volume is too low)
Wiring diagram
Inspection procedure
1 Adjust sound quality
Adjust the sound quality.
Operate the radio receiver assy to adjust the sound quality.
Standard: malfunction disappear.
2 Compare it with another car of same model
Compare it with another vehicle of the same mo ...
Inspection procedure
1 Inspect stop lamp switch assy
2 Check harness and connector(stop lamp switch assy – ecm)
Install the stop lamp switch assy.
disconnect the ecm connector.
measure the voltage according to the value(s) in the table
below when the brake pedal is depressed and rele ...


